http://git.savannah.gnu.org/cgit/rcs.git/patch/?id=8883c4f5a29be18e9ea09bd27a7b660830de45bb


From 8883c4f5a29be18e9ea09bd27a7b660830de45bb Mon Sep 17 00:00:00 2001
From: Thien-Thi Nguyen <ttn@gnu.org>
Date: Fri, 23 Oct 2020 09:23:49 -0400
Subject: [v] Don't test signal handling if stdin not ok.

<https://mail.gnu.org/archive/html/bug-rcs/2020-10/msg00014.html>

* tests/t632: If stdin is not open and connected to
a tty, skip the signal handling portion of the test.
---
 tests/ChangeLog | 9 +++++++++
 tests/t632      | 9 +++++++++
 2 files changed, 18 insertions(+)

diff --git a/tests/ChangeLog b/tests/ChangeLog
index c3715c0..0565058 100644
--- a/tests/ChangeLog
+++ b/tests/ChangeLog
@@ -1,3 +1,12 @@
+2020-10-23  Thien-Thi Nguyen  <ttn@gnu.org>
+
+	[v] Don't test signal handling if stdin not ok.
+
+	<https://mail.gnu.org/archive/html/bug-rcs/2020-10/msg00014.html>
+
+	* t632: If stdin is not open and connected to
+	a tty, skip the signal handling portion of the test.
+
 2020-10-20  Thien-Thi Nguyen  <ttn@gnu.org>
 
 	Release: 5.10.0
diff --git a/tests/t632 b/tests/t632
index df6acc9..677ec8c 100644
--- a/tests/t632
+++ b/tests/t632
@@ -40,6 +40,15 @@ echo | co -l -I $w \
 # (This is skipped if GNU coreutils timeout(1) is not available.)
 ##
 
+# <https://mail.gnu.org/archive/html/bug-rcs/2020-10/msg00014.html>
+# The timeout test needs co(1) to block on input.
+# If stdin is not open and connected to a tty, skip out.
+if test -t 0 ; then
+    echo STDIN OK
+else
+    exit 0
+fi
+
 # TODO: Don't be lame!  Pick one:
 # (a) Mimic timeout(1) w/ sh commands.
 # (b) Incorporate heart of timeout(1) into ./btdt and use that.
-- 
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